More than just a topical coating, Seal Saint Louis' concrete sealant penetrates below the surface of the concrete and reacts instantly with the alkali to form a silica gel membrane on the surface of the voids and particulate, immediately starting to waterproof the substrate.
Over 3 to 7 days the silica gel membrane hydrates hardening in to a solid, yet breathing, internal membrane, providing a permanent seal and moisture barrier, as well as increased surface hardness. It will all so protect your concrete from freeze-thaw cycles, salt and chemical attack, the benefits are PERMANENT.
The product we use is DynaCrete PIM "Permanent Internal Membrane". This product has been tested, approved, and used all over the world including: